Chapter Summary

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The following points summarize the key concepts in this chapter:


  • The benefits provided by a network are connections, communications, and services.
  • There are two types of networks: server networks and peer-to-peer networks.
  • A network topology describes the physical layout of the network. There are three basic topologies: bus, star, and ring.
  • In order to function on a network, each computer must have a network interface card (NIC) and a network operating system (NOS).
  • The three types of network cabling are twisted-pair, coaxial, and fiber-optic.

Portable Computers

  • Early "portable" computers were heavy, and usually more worthy of the term "luggable."
  • Today's laptops and notebooks have most of the features of a desktop machine in a very compact package—but at a much higher cost.
  • A computer technician should know the four types of PCMCIA cards and their uses.
  • Batteries and power management are key factors to consider when maintaining portable computers.

Microsoft Corporation - A+ Certification Training Kit
Microsoft Corporation - A+ Certification Training Kit
Year: 2000
Pages: 127 © 2008-2017.
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